Pith Number

pith:IIDDMOAM

pith:2009:IIDDMOAMABFPFTVVG4CHBVJU4U

not attested not anchored not stored refs pending

Information contents and architectural requirements of observer "ready" states

Chris Fields

arxiv:0908.1231 v3 · 2009-08-09 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIDDMOAMABFPFTVVG4CHBVJU4U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:27:25.657229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420636380c004af2ceb5370470d534e5145c474932a1ca77ec70220bba76941b

Aliases

arxiv: 0908.1231 · arxiv_version: 0908.1231v3 · doi: 10.48550/arxiv.0908.1231 · pith_short_12: IIDDMOAMABFP · pith_short_16: IIDDMOAMABFPFTVV · pith_short_8: IIDDMOAM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IIDDMOAMABFPFTVVG4CHBVJU4U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 420636380c004af2ceb5370470d534e5145c474932a1ca77ec70220bba76941b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac5d00b4e11f8f04135fbbca5faad1f8cee781f1cb6c28aa39a658b8ca1008a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-09T13:02:30Z",
    "title_canon_sha256": "15813289ebaafd08e55cbe87ae3de9bfaf2eb2c48013c473c4e8ecf8b395aafc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1231",
    "kind": "arxiv",
    "version": 3
  }
}